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EXPLANATION OF MICROCOMPUTER
PIN
67
68
69
70
71
72
73
74
75
76
77
78
79
80
Signal
AVCC
/ATAINT
/SDINT
TXD
RXD
NC
ENCODER
/PWR DWN1
/PWR DWN2
STBY
DIR
DVDR
RFMVON
NC
I/O
I
I
O
I
I
O
O
O
O
O
O
Function
+5V
ATAPIcontroller/decoder interrupt input
Servo/decoder processor interrupt input
Serial data trans terminal for debug
Serial data receive terminal for debug
NC
ENCODER pulse input
Analog+5V power down control output
Digtal+5V power down control output
PWMdriver MUTEoutput STBY : L
H : DSP output, L : DSP input
DVD-Rdisc : L Other disc : H
Laser RF output DVD : H
NC
IC1151 (HD64F3039TEBL18)3/3